皮皮学,免费搜题
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【单选题】
— How do you do? — _________ [     ]
A.
How are you?
B.
How do you do?
C.
Welcome!
拍照语音搜题,微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The large crowd of troops were advancing_____ because the area had been mined by the enemy.
A.
carefully
B.
attentively
C.
cautiously
D.
warningly
【判断题】热力学平衡是一种动态平衡
A.
正确
B.
错误
【判断题】热力学平衡是一种动态平衡,组成系统的大量微观粒子仍在不停地运动,只不过运动的平均效果不变
A.
正确
B.
错误
【简答题】A large crowd _______ wildly as the pilot _________ her plane safely in California. A.had cheered; was landing B.had cheered; landed C.was cheering; had landed D.was cheering; landed
【判断题】热力学系统的平衡态是一种动态平衡
A.
正确
B.
错误
【单选题】一项雌激素与冠心病关系的配对病例对照研究共包括120对研究对象,病例与对照均有雌激素暴露史45对,均无暴露史12对,病例有暴露对照无暴露史者50对,OR值为
A.
1.2
B.
3
C.
4.1
D.
5
E.
3.8
【单选题】Do as you’re told, _________ you’ll be in trouble.
A.
but
B.
till
C.
for
D.
or
【单选题】—Can I help you? —__________.
A.
You’ re welcome
B.
Yes,please
C.
I-m sorry
D.
Here you are
【单选题】一项雌激素与冠心病关系的配对病例对照研究,共100对,病例与对照均有雌激素暴露37对,两者均无暴露9对,病例暴露而对照无暴露的45对,该研究OR值为( )
A.
1.2
B.
3.0
C.
4.1
D.
5.0
E.
5.3
【单选题】听力原文:How late are you open? (A) We' re open at 9 a. m. (B) We' re open until 10. (C) I am already late for the class. (14)
A.
B.
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